Don't hit walls, knock them down. End the day as strong as you started in this ultimate climate control layer. Absorbs and traps odors to release in the wash. Made from 8-ounce, 60 percent polyester/33 percent cocona 37.5 polyester/7 percent spandex and offers the fast dry technology which makes this our fastest drying gear, that fights odors, has smooth flat lock seams enhance comfort, a drop tail that adds coverage, tagless neck label for comfort and the Carhartt force extremes labeling printed on back neck.